JP7308152B2 - 無線通信システムにおいてフィードバック情報を送信する方法及びそのための端末 - Google Patents

無線通信システムにおいてフィードバック情報を送信する方法及びそのための端末 Download PDF

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JP7308152B2
JP7308152B2 JP2019561217A JP2019561217A JP7308152B2 JP 7308152 B2 JP7308152 B2 JP 7308152B2 JP 2019561217 A JP2019561217 A JP 2019561217A JP 2019561217 A JP2019561217 A JP 2019561217A JP 7308152 B2 JP7308152 B2 JP 7308152B2
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matrix
elements
terminal
base station
channel
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Japanese (ja)
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JP2020521360A (ja
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イ，サンリム
イ，ウンヒ
イ，ホジェ
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LG Electronics Inc
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LG Electronics Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0658—Feedback reduction
    • H04B7/0663—Feedback reduction using vector or matrix manipulations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2019561217A 2017-05-21 2018-05-21 無線通信システムにおいてフィードバック情報を送信する方法及びそのための端末 Active JP7308152B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762509170P 2017-05-21 2017-05-21
US62/509,170 2017-05-21
PCT/KR2018/005796 WO2018216989A1 (fr) 2017-05-21 2018-05-21 Procédé de transmission d'informations de rétroaction dans un système de communication sans fil et appareil associé

Publications (2)

Publication Number Publication Date
JP2020521360A JP2020521360A (ja) 2020-07-16
JP7308152B2 true JP7308152B2 (ja) 2023-07-13

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JP2019561217A Active JP7308152B2 (ja) 2017-05-21 2018-05-21 無線通信システムにおいてフィードバック情報を送信する方法及びそのための端末

Country Status (5)

Country Link
US (1) US10848210B2 (fr)
EP (1) EP3633873B1 (fr)
JP (1) JP7308152B2 (fr)
CN (1) CN110622438B (fr)
WO (1) WO2018216989A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10051488B1 (en) * 2017-10-19 2018-08-14 At&T Intellectual Property I, L.P. Dual mode communications device with remote device feedback and methods for use therewith
EP3997802A4 (fr) * 2019-07-12 2022-07-20 Huawei Technologies Co., Ltd. Systèmes et procédés de formation de faisceaux

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130163645A1 (en) 2011-12-27 2013-06-27 Industrial Technology Research Institute Channel information feedback method and wireless communication device using the same
CN104539335A (zh) 2014-12-24 2015-04-22 无锡北邮感知技术产业研究院有限公司 一种大规模天线***的有限反馈方法及装置
US20150256244A1 (en) 2014-03-07 2015-09-10 Samsung Electronics Co., Ltd. Apparatus and method for channel feedback in multiple input multiple output system
WO2016116423A1 (fr) 2015-01-20 2016-07-28 Alcatel Lucent Transformation et combinaison de signaux à partir d'un réseau d'antennes

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CN1838556A (zh) * 2005-03-24 2006-09-27 松下电器产业株式会社 一种下行多用户空时分组预编码的方法
US8290089B2 (en) * 2006-05-22 2012-10-16 Qualcomm Incorporated Derivation and feedback of transmit steering matrix
TWI508478B (zh) * 2006-10-30 2015-11-11 Interdigital Tech Corp 無線發射／接收單元及用於處理在無線發射／接收單元中執行的回饋的方法
KR20100038557A (ko) * 2008-10-06 2010-04-15 삼성전자주식회사 무선통신시스템에서 채널 피드백 장치 및 방법
US8787186B2 (en) * 2008-12-12 2014-07-22 Blackberry Limited Mobility in a distributed antenna system
US8665971B2 (en) * 2009-11-24 2014-03-04 Qualcomm, Incorporated Apparatus and method for channel estimation using compressive sensing
JP2011172067A (ja) * 2010-02-19 2011-09-01 Tokyo Institute Of Technology 通信制御方法および基地局
KR101208557B1 (ko) * 2010-03-14 2012-12-05 엘지전자 주식회사 피드백 정보 전송방법 및 단말과, 피드백 정보 수신방법 및 기지국
CN103314607A (zh) * 2011-11-08 2013-09-18 日电（中国）有限公司 用于分配反馈传输资源的方法和设备以及用于提供关于反馈传输资源值的信息的方法和设备
US9136930B2 (en) * 2012-07-16 2015-09-15 Lg Electronics Inc. Method and device for feeding back channel information in wireless communication system supporting multi-input multi-output scheme
WO2018023221A1 (fr) * 2016-07-30 2018-02-08 华为技术有限公司 Appareil, procédé et système destinés à la transmission d'informations de canal
KR102329272B1 (ko) * 2017-08-04 2021-11-19 삼성전자주식회사 무선 통신 시스템에서 상향링크 전송을 위한 장치 및 방법
US10498558B1 (en) * 2018-05-11 2019-12-03 Mitsubishi Electric Research Laboratories, Inc. Symbol detection in shared wireless channel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130163645A1 (en) 2011-12-27 2013-06-27 Industrial Technology Research Institute Channel information feedback method and wireless communication device using the same
US20150256244A1 (en) 2014-03-07 2015-09-10 Samsung Electronics Co., Ltd. Apparatus and method for channel feedback in multiple input multiple output system
CN104539335A (zh) 2014-12-24 2015-04-22 无锡北邮感知技术产业研究院有限公司 一种大规模天线***的有限反馈方法及装置
WO2016116423A1 (fr) 2015-01-20 2016-07-28 Alcatel Lucent Transformation et combinaison de signaux à partir d'un réseau d'antennes

Also Published As

Publication number Publication date
CN110622438B (zh) 2023-02-17
EP3633873B1 (fr) 2021-11-24
CN110622438A (zh) 2019-12-27
US10848210B2 (en) 2020-11-24
JP2020521360A (ja) 2020-07-16
WO2018216989A1 (fr) 2018-11-29
EP3633873A1 (fr) 2020-04-08
EP3633873A4 (fr) 2021-01-27
US20200106490A1 (en) 2020-04-02

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